CAUTION !
Panels “A, B, C, D, E and F” should never be removed or replaced with power applied
to the UPS.
This panel is in close proximity to 480V live bus bars.
Always disconnect the rectifier, bypass, load and battery sources from the UPS
before removing or replacing this panel.
If not serious injury or death could occur!
How to access the compression lugs for the cable connections.
Top entry cables
Please remove the plate
before drilling any holes
!
SGSU_225
-300_S2_U
PS connec
tion_01US
F
!
B
A
Please remove the plate
before drilling any holes
Bottom entry cables
Q1
0 OFF
I ON
Q2
0 OFF
I ON
E
D
C
12
1
1
4
3
2
13
2
5
3 4
6 7 8
11
19 20 10
14 15 16
22
17 18
21
9
3
4
2
1
Fig. 3.8.1-1 Access to the input / output connections
To access input, output and
Battery Connections
proceed as follows:
•
Unscrew bolts “
B
” to open the electronics “
A
”.
•
Remove the protection panel “
C
”.
•
Remove the protection panel “
D
”.
•
Remove the protection panel “
E
”.
•
Remove the UPS side panel “
F
”.
Modifications reserved
Page 22/40
OPM_SGS_ISG_M22_M30_2US_V010.doc
Installation Guide
SG Series 225 & 300 UL S2
